8-590

View detailed technical data, stock status, and sourcing information for: 8-590
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-067-6026

Item Name Code

27565

Assigment Date

01/01/1963 (63 years ago)

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes:regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

unable to decode stem material, straight thru body style, air media for which designed, threaded internal pipe first end connection type, inlet adapter and needle valve and nut and outlet pressure gage and tailpiece w/grooves furnished items

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: straight thru
Stem Material: unable to decode
Furnished Items: inlet adapter and needle valve and nut and outlet pressure gage and tailpiece w/grooves
Media For Which Designed: air
First End Connection Type: threaded internal pipe
First End Style Designator: plain
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: poppet
End Connection Quantity: 2
Outlet Pressure Range: +2.0 to 25.0 pounds per square inch
Regulation Type: automatic single stage
Valve Stem Design: single seat
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 250.0 pounds per square inch
Filter: not included
Material: unable to decode

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
8-590	Fluid Pressure Regulating Valve
Q72178-1	Fluid Pressure Regulating Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-00-067-6026?

The FSCG of the NSN 4820-00-067-6026 is 4820

Does the NSN 4820-00-067-6026 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-067-6026 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-00-067-6026 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-067-6026 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-00-067-6026 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963